//***********************************图层显示控制--树状复选框实现↓↓******************************
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//定义树状变量
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var setting = setting();
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var zNodes = zNodes();
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//定义setting方法
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function setting() {
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var setting = {
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check: {
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enable: true,
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chkStyle: "checkbox"
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},
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callback: {
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beforeCheck: zbeforeCheck,
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onCheck: zonCheck,
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beforeDblClick: zBeforeDblClick,
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onDblClick: zOnDblClick
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}
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};
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return (setting);
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}
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//定义树状结构
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function zNodes() {
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var zNodes = [{
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name: "边界与地名",
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open: true,
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nocheck: true,
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children: [{
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name: "江西省边界",
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id: "江西省界线@VectorData",
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value: "江西省边界",
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// checked: true
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}, {
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name: "行政区边界",
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id: "行政区边界@VectorData",
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value: "行政区边界",
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// checked: true
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}, {
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name: "县区边界",
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id: "县区边界@VectorData",
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value: "县区边界",
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// checked: true
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}]
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}, {
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name: "重要湿地",
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open: true,
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nocheck: true,
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children: [{
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name: "第一批省重要湿地",
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id: "江西省重要湿地面@重要湿地",
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value: "重要湿地面",
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// checked: true
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}, {
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name: "自然保护区界",
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id: "自然保护区界@湿地数据",
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value: "省级湿地公园点",
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// checked: true
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}]
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}, {
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name: "湿地公园",
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open: true,
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nocheck: true,
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children: [{
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name: "国家湿地公园",
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id: "国家湿地公园@湿地数据",
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value: "国家湿地公园面",
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// checked: true
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},
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{
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name: "省级湿地公园",
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id: "省级湿地公园@湿地数据",
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value: "省级湿地公园面",
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// checked: true
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},
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{
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name: "湿地公园点",
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id: "湿地公园点@湿地数据",
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value: "湿地公园点",
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// checked: true
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}]
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}];
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return (zNodes);
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}
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//设置初始选择状态
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function set_InitialChecked() {
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//获取树对象
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var treeObj = $.fn.zTree.getZTreeObj("treeDemo");
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//获取所有节点并转换为简单数组
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//var nodes = treeObj.getNodes()
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var nodes = treeObj.transformToArray(treeObj.getNodes());
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//定义子节点数组
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var chdnodes = [];
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//判断并获取所有子节点
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for (var i = 0; i < nodes.length; i++) {
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if (!nodes[i].isParent) {
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chdnodes.push(nodes[i]);
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}
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}
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//从选中的场景中获取图层列表
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var sceneControl = window.parent.frames['myframe'].sceneControl;
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//var sceneControl = parent.sceneControl;
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var scene = window.parent.frames['myframe'].scene;
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var layer3DServicesList = sceneControl.get_layer3DServicesList();
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//该场景提供的图层服务信息的总数
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var count = layer3DServicesList.get_count();
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//根据图层可见性设定节点初始选中状态
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for (var j = 0; j < count; j++) {
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//获取指定图层
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var layer3DServiceInfo = layer3DServicesList.get_item(j);
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var layer3DName = layer3DServiceInfo.get_name();
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var layer3D = scene.get_layer3Ds().get_item(layer3DName);
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if (layer3DName != "江西地形@JX" && layer3D && layer3D.get_isVisible()) {
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for (var k = 0; k < chdnodes.length; k++) {
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//根据图层名称匹配对应节点
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var id = chdnodes[k].id;
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if (layer3DName.indexOf(id) > -1) {
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chdnodes[k].checked = true;
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treeObj.updateNode(chdnodes[k]);
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}
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}
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} else if (layer3DName != "江西地形@JX") {
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for (var l = 0; l < chdnodes.length; l++) {
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//根据图层名称匹配对应节点
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var id = chdnodes[l].id;
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if (layer3DName.indexOf(id) > -1) {
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chdnodes[l].checked = false;
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treeObj.updateNode(chdnodes[l]);
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}
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}
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} else {
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break;
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}
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}
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}
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//定义预选择事件
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function zbeforeCheck(treeId, treeNode) {
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return true;
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}
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//定义勾选事件
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function zonCheck(event, treeId, treeNode) {
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//获取树对象
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var treeObj = $.fn.zTree.getZTreeObj("treeDemo");
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//获取所有选中与未选中节点
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var nodes = treeObj.getCheckedNodes(true);
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var Nnodes = treeObj.getCheckedNodes(false);
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//定义子节点数组
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var chdnodes = [];
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var chdNnodes = [];
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//判断并获取所有选中子节点
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for (var i = 0; i < nodes.length; i++) {
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if (!nodes[i].isParent) {
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chdnodes.push(nodes[i]);
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}
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}
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//判断并获取所有未选中子节点
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for (var j = 0; j < Nnodes.length; j++) {
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if (!Nnodes[j].isParent) {
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chdNnodes.push(Nnodes[j]);
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}
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}
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check(chdnodes, chdNnodes);
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}
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//图层显示控制--控制图层可见性
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function check(chk, Nchk) {
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var vale = chk;
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var Nvale = Nchk;
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//从选中的场景中获取图层列表
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console.log(parent);
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var sceneControl = window.parent.frames['myframe'].sceneControl;
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//var sceneControl = parent.sceneControl;
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var scene = window.parent.frames['myframe'].scene;
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var layer3DServicesList = sceneControl.get_layer3DServicesList();
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//该场景提供的图层服务信息的总数
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var count = layer3DServicesList.get_count();
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//设置选中图层为可见
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for (var j = 0; j < vale.length; j++) {
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var val = vale[j].id;
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for (var i = 0; i < count; i++) {
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//获取指定图层名
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var layer3DServiceInfo = layer3DServicesList.get_item(i);
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var layer3DName = layer3DServiceInfo.get_name();
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//匹配图层名
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if (layer3DName.indexOf(val) > -1) {
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var layer3D = scene.get_layer3Ds().get_item(layer3DName);
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layer3D.set_isVisible(true);
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//false为此图层不可见，true为可见
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}
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}
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}
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//设置未选中图层为不可见
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for (var k = 0; k < Nvale.length; k++) {
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var Nval = Nvale[k].id;
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for (var l = 0; l < count; l++) {
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//获取指定图层名
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var layer3DServiceInfo = layer3DServicesList.get_item(l);
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var layer3DName = layer3DServiceInfo.get_name();
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//匹配图层名
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if (layer3DName.indexOf(Nval) > -1) {
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var layer3D = scene.get_layer3Ds().get_item(layer3DName);
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layer3D.set_isVisible(false);
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//false为此图层不可见，true为可见
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}
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}
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}
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scene.refresh();
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}
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//预双击事件
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function zBeforeDblClick(treeId, treeNode) {
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return true;
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};
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//定义双击事件--定位至图层
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function zOnDblClick(event, treeId, treeNode) {
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//节点状态更变为已选
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treeNode.checked = true;
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$.fn.zTree.getZTreeObj(treeId).updateNode(treeNode);
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//从选中的场景中获取图层列表
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var sceneControl = window.parent.frames['myframe'].sceneControl;
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//var sceneControl = parent.sceneControl;
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var scene = window.parent.frames['myframe'].scene;
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var layer3DServicesList = sceneControl.get_layer3DServicesList();
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//该场景提供的图层服务信息的总数
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var count = layer3DServicesList.get_count();
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//设置选中图层为可见
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for (var i = 0; i < count; i++) {
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//获取指定图层名
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var layer3DServiceInfo = layer3DServicesList.get_item(i);
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var layer3DName = layer3DServiceInfo.get_name();
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//判断当前图层是否为选中图层
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if (layer3DName.indexOf(treeNode.value) > -1) {
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var layer3D = scene.get_layer3Ds().get_item(layer3DName);
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//设置该图层可见
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layer3D.set_isVisible(true);
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//获取图层的地理范围，并飞行到该范围
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var geobound = layer3D.get_bounds();
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scene.get_flyingOperator().flyToBounds(geobound, 2500);
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}
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}
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};
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//***********************************图层显示控制--树状复选框实现↑↑***********************************
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